Factual error: While the film is supposedly set in the late 19th Century, the locomotive is oil-fired. The tender carries neither wood nor coal. There is no way the Mexican National Railroad would possess oil-burning locomotives in this time period.
Sara Sandoval: I might not know who I am but I know who I'm not, I'm not someone who lets her country down.
Quentin Cooke: Besides, you're not alone.
Sara Sandoval: Right. A gun-happy farm girl, an ugly dog, a wet-behind-the-ears cop and a spoiled brat. What a team.
Sara Sandoval: Quentin, look at me! I was raised to be a spoiled lady, not a renegade. One minute I think I have all the answers, and the next I am crying for a manicure. I am lost out here.